/Engine/Source/Editor/Kismet/Public/SSCSEditor.h
Adds a child node for the given SCS node.
A reference to the new child node or the existing child node if a match is found.
FSCSEditorTreeNodePtrType AddChild ( [USCS_Node](API\Runtime\Engine\Engine\USCS_Node) * InSCSNode, bool bIsInheritedSCS )